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September 16, 2014

Homework Help: Quantum computers

Posted by Manquillo on Saturday, October 19, 2013 at 2:47pm.

PROBLEM 5

Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly |y⟩.

PROBLEM 5A (4 points possible)
If we run for m+1 additional steps (i.e. total of 2m+1 steps from the initial state), what is the resulting superposition? Note that you can describe the superposition by specifying two numbers, αy and αx for x≠y. You may use K to denote the total number of elements. (K should be uppercase.) HINT: You may want to review Problems 2, 3, and 5 of Assignment 6.

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